/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Other licenses:
* -----------------------------------------------------------------------------
* Commercial licenses for this work are available. These replace the above
* ASL 2.0 and offer limited warranties, support, maintenance, and commercial
* database integrations.
*
* For more information, please visit: http://www.jooq.org/licenses
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*/
package org.jooq.impl;
import static org.jooq.Clause.FIELD;
import static org.jooq.Clause.FIELD_REFERENCE;
import static org.jooq.impl.Tools.BooleanDataKey.DATA_OMIT_CLAUSE_EVENT_EMISSION;
import org.jooq.Binding;
import org.jooq.Clause;
import org.jooq.Comment;
import org.jooq.Context;
import org.jooq.DataType;
import org.jooq.Name;
import org.jooq.Record;
import org.jooq.Table;
import org.jooq.TableField;
import org.jooq.tools.StringUtils;
A common base type for table fields.
Author: Lukas Eder
/**
* A common base type for table fields.
*
* @author Lukas Eder
*/
class TableFieldImpl<R extends Record, T> extends AbstractField<T> implements TableField<R, T> {
private static final long serialVersionUID = -2211214195583539735L;
private static final Clause[] CLAUSES = { FIELD, FIELD_REFERENCE };
private final Table<R> table;
@SuppressWarnings("unchecked")
TableFieldImpl(Name name, DataType<T> type, Comment comment) {
this(name, type, (Table<R>) table(name), comment, type.getBinding());
}
TableFieldImpl(Name name, DataType<T> type, Table<R> table, Comment comment, Binding<?, T> binding) {
super(qualify(table, name), type, comment, binding);
this.table = table;
}
private static final Table<Record> table(Name name) {
return name.qualified() ? DSL.table(name.qualifier()) : null;
}
@Override
public final Table<R> getTable() {
return table;
}
// ------------------------------------------------------------------------
// XXX: QueryPart API
// ------------------------------------------------------------------------
@Override
public final Clause[] clauses(Context<?> ctx) {
return CLAUSES;
}
@Override
public final void accept(Context<?> ctx) {
ctx.data(DATA_OMIT_CLAUSE_EVENT_EMISSION, true);
if (ctx.qualify() && getTable() != null) {
ctx.visit(getTable());
ctx.sql('.');
}
ctx.visit(getUnqualifiedName());
ctx.data().remove(DATA_OMIT_CLAUSE_EVENT_EMISSION);
}
// ------------------------------------------------------------------------
// XXX: Object API
// ------------------------------------------------------------------------
@Override
public boolean equals(Object that) {
if (this == that)
return true;
// [#2144] TableFieldImpl equality can be decided without executing the
// rather expensive implementation of AbstractQueryPart.equals()
if (that instanceof TableField) {
TableField<?, ?> other = (TableField<?, ?>) that;
return
StringUtils.equals(getTable(), other.getTable()) &&
StringUtils.equals(getName(), other.getName());
}
return super.equals(that);
}
}